Examination Flashcards

1
Q

Ophthalmoscopy: Large aperture

A

Standard use

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2
Q

Ophthalmoscopy: small aperture

A

Macular area
< Corneal reflex
> Pupil size

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3
Q

Ophthalmoscopy: Target

A

Locate foveola

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4
Q

Ophthalmoscopy: Slit lamp

A

Elevation of fundus lesion

Clarity of anterior media

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5
Q

Ophthalmoscopy: Cobalt blue filter

A

Fluorescein staining

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6
Q

Ophthalmoscopy: Red-free filter

A

Haemorrhages

Microaneurysms

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7
Q

Ophthalmoscopy: 400 degrees K color temperature filter

A

Color representation

Lover intensity illumination

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8
Q

Ophthalmoscopy: Polarising filter

A

< Corneal reflex

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9
Q

Ophthalmoscopy: Decrease corneal reflex

A
Darken room 
Tilt ophthalmoscope slightly
Polarising filter
Small aperture
Direct light beam through edge of pupil
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10
Q

History 5 questions

A
  1. Visual disturbance
  2. Visual discomfort
  3. Photophobia
  4. Discharge
  5. Eyelids stick in mornings
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11
Q

Flashes of light

A

Retinal traction and detachement

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12
Q

< VA

A

Refractive error or visual systemic disease

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13
Q

< VF

A

Retinal or neuronal abnormality

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14
Q

Coloured halos around light

A

Corneal oedema

> ICP

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15
Q

Diplopia

A

Strabismus

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16
Q

Discharges

A

Mucus: Allergy
Water: Anterior uveitits, gluacoma, lacrimal drainage abnormality
Puss: Infection

17
Q

Exam sequence

A
History
VA
VF
Pupils
Motility and alignment
Anterir uveitits

Inspection
Eclipse test
Ophthalmoscopy

Palpation
Tanometry
Lid eversion
Corneal sensation

18
Q

VA: Pre-schooler

A

0-3m: Responds to light and mothers face
3m-2yr: Fix and follows, objects occlusion
2-6yr: 100 & 1000s, ID tests, orientation tests

19
Q

VA

meters/number on chart

A

Snellen chart
Counting finger
Hand mvements
Light perception

20
Q

Anterior uveitis test

A
  1. Consensual light reflex
  2. Accommodation test
  3. Kerititis vs uveitis: cornea clear in AU
21
Q

Positive eclipse test

A

Half of iris light

iris diaphram bulges forward–> anterior chamber shallow

22
Q

Eclipe test goal

A
  1. Can dilate or not
  2. risk acute angle glaucoma
  3. dx acute angle glaucoma attack
23
Q

Red reflex def

A

Reflection of light on choriocapillaries

24
Q

Abnormal red reflex

A
  1. Medial opacities
  2. Retinal detachment
  3. Choroid/RPE abnormality
25
Q

Position of opacities methods

A
  1. Parallax:
    - Move oposite direction than you: infront of pupil
    - Move same direction as you: Behind pupil
    - Does not move: In pupil plane
  2. Focal
    - +20-+10: Anterior chamber
    - +10: Iris lens diaphram
    - +10-0:vitreos humour to retina
26
Q

Examine fundus

A
  1. optic disc: margin cup colour vv pulsation
  2. vascular arcades: uniformity colour crossings diameter
  3. retina
  4. macula
  5. Foveola: look into light, target appature
27
Q

How to find optic disc

A

White spot

28
Q

How to find macula

A

Temporal disc margin–> move 2.5 disc margins temporally and inferiorly

29
Q

How to find foveola

A

Patient look into light, target appature